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> Don't things like real time linux or soft real time patches for linux help, though ? I don't see how it could. The CPU essentially drops everything it's doi

> Don't things like real time linux or soft real time patches for linux help, though ? I don't see how it could. The CPU essentially drops everything it's doing when a packet comes in. Have that happen often enough and there won't be time left to do anything else, unless you start dropping packets.

MichaelGG 16y ago
Doesn't interrupt moderation and receive-side scaling (new Intel NICs can even do rule-based queue distribution) sort this out?
nupark2 16y ago
We see this behavior on high pps routers -- but isn't this why you have multiple CPUs and thread-based interrupt handling?